weblogic和数据源连接不上 报错如下，跪求大神指教 已检查.ora文件和重启监听服务，还有别的办法了嘛

连接测试失败。

Listener refused the connection with the following error: ORA-12514, TNS:listener does not currently know of service requested in connect descriptor <br/>oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:854)<br/>oracle.jdbc.driver.PhysicalConnection.connect(PhysicalConnection.java:793)<br/>oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:57)<br/>oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:747)<br/>oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:562)<br/>weblogic.jdbc.common.internal.DataSourceUtil.testConnection0(DataSourceUtil.java:373)<br/>weblogic.jdbc.common.internal.DataSourceUtil.access$000(DataSourceUtil.java:24)<br/>weblogic.jdbc.common.internal.DataSourceUtil$1.run(DataSourceUtil.java:287)<br/>java.security.AccessController.doPrivileged(Native Method)<br/>weblogic.jdbc.common.internal.DataSourceUtil.testConnection(DataSourceUtil.java:284)<br/>com.bea.console.utils.jdbc.JDBCUtils.testConnection(JDBCUtils.java:1011)<br/>com.bea.console.actions.jdbc.datasources.createjdbcdatasource.CreateJDBCDataSource.testConnectionConfiguration(CreateJDBCDataSource.java:524)<br/>sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br/>sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)<br/>sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br/>java.lang.reflect.Method.invoke(Method.java:498)<br/>org.apache.beehive.netui.pageflow.FlowController.invokeActionMethod(FlowController.java:870)<br/>org.apache.beehive.netui.pageflow.FlowController.getActionMethodForward(FlowController.java:809)<br/>org.apache.beehive.netui.pageflow.FlowController.internalExecute(FlowController.java:478)<br/>org.apache.beehive.netui.pageflow.PageFlowController.internalExecute(PageFlowController.java:306)<br/>...